Sebastiaan van der Velden
Sebastiaan has a background in medical imaging and got involved with Pixelmator from its early days, doing beta-testing and customer support. Besides making Pixelmator tutorials for Tuts+, he also makes tutorials for his own website. His free time is mostly spend with his two sons, and his wife.
Tutorials

The A to Z of Pixelmator

Using Blurring, Sharpening, Dodging, Burning and Sponging in Pixelmator

How to Use Pixelmator's Liquify Tools to Make an Eye Popping Portrait

How to Work With the Clone Stamp and Healing Tool in Pixelmator

How to Use the Type Tool in Pixelmator

How to Work With Layers in Pixelmator

How to Use Pixelmator as an External Editor

How to Use Brushes and Gradients in Pixelmator

Working With Vectors in Pixelmator

How to Apply Filters and Effects in Pixelmator

How to Make Selections With Pixelmator

Getting Started With Pixelmator